{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Subject.Race", "Subject", "Treatment.Route", "Combination.Drug", "Treatment.Freq", "Subject.Population", "Subject.Gender", "Effect", "Treatment.Drug", "Subject.Disorder", "Treatment", "Treatment.Time_elapsed", "Treatment.Disorder", "Treatment.Duration", "Treatment.Dosage"]}, {"event_type": "adverse event", "trigger": true, "arguments": ["Treatment.Drug", "Treatment.Route", "Combination.Drug", "Subject.Gender", "Treatment.Disorder", "Treatment.Time_elapsed", "Treatment.Dosage", "Subject.Disorder", "Subject.Race", "Subject.Population", "Treatment.Freq", "Treatment", "Effect", "Subject.Age", "Treatment.Duration", "Subject"]}], "input": "Propranolol: an unrecognized cause of central nervous system dysfunction in patients undergoing cardiopulmonary bypass."}
{"potential therapeutic event": [], "adverse event": [{"trigger": "cause ", "arguments": {"Treatment.Drug": "Propranolol", "Treatment.Route": "NAN", "Combination.Drug": "NAN", "Subject.Gender": "NAN", "Treatment.Disorder": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Dosage": "NAN", "Subject.Disorder": "cardiopulmonary bypass", "Subject.Race": "NAN", "Subject.Population": "NAN", "Treatment.Freq": "NAN", "Treatment": "Propranolol", "Effect": "central nervous system dysfunction", "Subject.Age": "NAN", "Treatment.Duration": "NAN", "Subject": "patients undergoing cardiopulmonary bypass"}}]}